How To Fix MN780 - Tax code of supplier billing document item missing (internal error)

MN780 - Overview

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 780

• Message text: Tax code of supplier billing document item missing (internal error)

What causes this issue?

When the system checked the supplier billing documents (settlement
documents) created via the general billing interface, it found am
supplier billing document item that did not have a tax code.

System Response

The system recognizes that data is inconsistent and does not perform the
function you require.

How to fix this error?

Contact your system administrator. This problem is probably due to a
program error.
The arrangement concerned is &V1&, the condition record concerned has
(internal) number &V2&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN780 - Tax code of supplier billing document item missing (internal error) ?

  The SAP error message MN780, which states "Tax code of supplier billing document item missing (internal error)," typically occurs when there is an issue with the tax code configuration or the data in the supplier billing document. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Missing Tax Code: The tax code for the supplier billing document item is not specified or is missing in the document.
  
  Configuration Issues: There may be issues with the tax configuration in the system, such as missing tax codes in the relevant tax jurisdiction or incorrect settings in the tax calculation procedure.
  Data Entry Errors: The user may have inadvertently left the tax code field blank when creating or modifying the supplier billing document.
  Master Data Issues: The vendor master data may not have the necessary tax information configured, leading to the absence of a tax code in the billing document.
  Document Type Settings: The document